6756507949 has 2 divisors, whose sum is σ = 6756507950. Its totient is φ = 6756507948.

The previous prime is 6756507941. The next prime is 6756508027. The reversal of 6756507949 is 9497056576.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6737454724 + 19053225 = 82082^2 + 4365^2 .

It is a cyclic number.

It is not a de Polignac number, because 6756507949 - 2³ = 6756507941 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 6756507893 and 6756507902.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6756507941) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3378253974 + 3378253975.

It is an arithmetic number, because the mean of its divisors is an integer number (3378253975).

Almost surely, 2^6756507949 is an apocalyptic number.

It is an amenable number.

6756507949 is a deficient number, since it is larger than the sum of its proper divisors (1).

6756507949 is an equidigital number, since it uses as much as digits as its factorization.

6756507949 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 14288400, while the sum is 58.

The square root of 6756507949 is about 82197.9802002458. The cubic root of 6756507949 is about 1890.4887502638.

The spelling of 6756507949 in words is "six billion, seven hundred fifty-six million, five hundred seven thousand, nine hundred forty-nine".